1.0.1 This code is formulated with a view to guarantee the testing quality of foundation pile, unify the test method for foundation pile, and provide reliable reference for the design and construction acceptance so that the quality testing for foundation pile can meet the requirements of safety, applicability, state-of-the-art technology, accuracy of data and correct evaluation.
1.0.2 This Code is applicable to the testing and assessment of the bearing capacity and pi1e integrity of the building foundation pile.
1.0.3 The test method of foundation pile shall be selected and matched according to the characteristics and application scope of each test method, geologic conditions, pile type, construction reliability and operating requirements. The testing result of foundation pile shall be analyzed and determined according to the aforesaid factors.
1.0.4 The quality detection of building foundation pile shall not only meet the requirements stipulated in this Code but also those in the current relevant ones of the nation.
1. General Provisions 1
2. Terms and Symbols 2
2.1 Terms 2
2.2 Symbols 2
3. Fundamental Rules 5
3.1 Test Methods and Contents 5
3.2 Testing Procedure 5
3.3 Testing Quantity 7
3.4 Verification and Extended Testing 9
3.5 Assessment of the Testing Result and Testing Report 9
3.6 Test Institutions and Testing Staff 10
4. Static Vertical Compression Loading Test of Single Pile 11
4.1 Application Scope 11
4.2 Equipments, Instruments and their Installation 11
4.3 Field Test 12
4.4 Analysis and Determination of the Test Data 14
5. Static Vertical Uplift Loading Test of Single Pile 16
5.1 Application Scope 16
5.2 Equipments, Instruments and their Installation 16
5.3 Field Test 16
5.4 Analysis and Determination of the Test Data 17
6. Static Horizontal Loading Test of Single Pile 19
6.1 Application Scope 19
6.2 Equipments, Instruments and their Installation 19
6.3 Field Test 20
6.4 Analysis and Determination of the Test Data 20
7. Core Drilling Method 23
7.1 Application Scope 23
7.2 Equipments 23
7.3 Site Operation 23
7.4 Intercepting and Processing Core Specimen 24
7.5 Compression Test of the Core Specimen 25
7.6 Analysis and Determination of the Test Data 25
8. Low Strain Integrity Testing 28
8.1 Application Range 28
8.2 Instrument and Equipment 28
8.3 Field Testing 28
8.4 Analysis and Determination of the Tested Data 29
9. High Strain Dynamic Testing 32
9.1 Application Range 32
9.2 Instrument and Equipment 32
9.3 Field Test 33
9.4 Analysis and Determination of the Tested Data 34
10. Cross-hole Sonic Logging 39
10.1 Application Range 39
10.2 Instrument and Equipment 39
10.3 Field Test 39
10.4 Analysis and Determination of the Tested Data 40
Appendix A Test for the Internal Force of the Pile Body 46
Appendix B Treatment for the Pile Head of the Concrete Pile 51
Appendix C Data Sheet of the Static Loading Test 52
Appendix D Test Data Sheet with Core Drilling Method 54
Appendix E Processing and Measurement for the Specimen of the Core Sample 56
Appendix F Sensor Installation with High Strain Dynamic Testing 57
Appendix G Test Piling and Piling Monitor 58
G.1 Test Piling 58
G.2 The Monitoring of the Hammer Stress of the Pile Body 59
G.3 Energy Monitoring of Hammer Blow 60
Appendix H Key Points for the Bury of the Acoustic Calculation Pipe 60
Wording Explanation 62
